EDELMAN SPI REVIEW FULL AND COMPLETE QUESTIONS AND 100% CORRECT ANSWERS 2025/2026

EDELMAN SPI REVIEW FULL AND COMPLETE QUESTIONS AND 100% CORRECT ANSWERS 2025/2026 3 rules for powers of 10s - Answer -positive exponents are >10 negative exponents are <10 0 exponent has a value between 1 and 10 what is the prefix, symbol and value for an exponent of 10^6 - Answer - mega, M, 1,000,000 what is the prefix, symbol and value for an exponent of 10^3 - Answer - kilo, k, 1,000 what is the value for an exponent of 10^0 - Answer -1 what is the prefix, symbol and value for an exponent of 10^-1 - Answer - deci, d, 1/10 what is the prefix, symbol, and value for an exponent of 10^-2 - Answer -centi, c, 1/100 what is the prefix, symbol, and value for an exponent of 10^-3 - Answer -milli, m, 1/1000what is the prefix, symbol and value for an exponent of 10^-6 - Answer - micro, u, 1/1000000 All waves carry _______ from one location to another. - Answer -energy Sound is a __________ wave in which particles in the medium move. - Answer -mechanical Can sound travel through a vacuum? - Answer -No. Sound must travel through matter and there is no matter in vacuums. there are areas of ______ and ______ in a sound wave - Answer - compression, rarefraction in what way does sound travel? - Answer -in a straight line Sound waves are _____ waves. - Answer -longitudinal Acoustic propagation properties are? - Answer -the effects of the medium upon the sound wave Acoustic variables - Answer -changes that occur within a medium as a result of sound traveling through that medium What are the 3 acoustic variables? - Answer -Pressure (P), density (ρ), and distance (particle vibration) what is the acoustic variable pressure ? - Answer -concentration of force in an area units: pascals (Pa) what is the acoustic variable density? - Answer -concentration of mass in a volume units: kg/cm^3what is the acoustic variable distance? - Answer -measure of particle motion units: cm, feet, mile what does one of the acoustic variables have to do in order to be a sound wave? - Answer -rhythmically oscillate sound waves are also known as ____ waves - Answer -acoustic What are the 7 acoustic parameters? - Answer -1. Period 2. Frequency 3. Amplitude 4. Power 5. Intensity 6. Wavelength 7. Propagation speed How do particles move in a transverse waves? - Answer -perpendicular to the wave propagation (ex: hold end of string and shake up and down) how do particles move in longitudinal waves? - Answer -in the same direction that the wave propagates. sound is a longitudinal wave